Abstract: The invention is directed to a proximity-detecting device configured to determine a signal-strength value (S) indicative of a received signal power amount of an identification signal of an originating lighting node that comprises lighting-node identification information and that is received via a signal input unit (102). It also comprises a proximity-detection unit (106) configured, upon determining that the received signal-strength value exceeds a predetermined proximity threshold value (Sth), to generate and provide a proximity-information signal (P) indicative of the proximity-detecting device being within a proximity area. It also comprises a threshold-determination unit (108) configured, upon determining fulfilment of a pre-stored threshold-updating criterion (C) comprising one or more updating-conditions associated with the lighting-node identification information, to update the proximity threshold value for the given originating lighting node, for redefining the adaptation.

Abstract: A lighting device, comprising an enclosure (120) comprising a plurality of partitioning elements (130a-f) to form within the enclosure a plurality of sub-spaces (140a-e) each comprising first and second reflective inner surfaces (170, 180), wherein each sub-space further comprises a light source (110) arranged to emit light with a light output, the light output comprising light beams in a blue wavelength range of 400-490 nm and in a non-blue wavelength range of 490-700 nm, a first part of the light output being incident on the first reflective inner surface of the sub-space and a second part of the light output being incident on the second reflective inner surface of the sub-space, wherein, for light within the blue wavelength range, the first reflective inner surface has a first blue reflectance (310) of >20%, and the second reflective inner surface has a second blue reflectance (320) of <20%.

Abstract: A luminaire (1) comprising identical curved LED Modules (13, 13?, 13?) in an inner and an outer arrangement of LED Modules. Said LED Module comprising a curved PCB (14) having a main surface and a number of LEDs (15) arranged thereon. The LED Module has width W and is curved with its main surface extending in a plane Q. The LED Module extends over a circle with a radius Rc, wherein 200 mm<=Rc<=450 mm, and extends over an angle a over said circle, wherein 36°<=a<=72°. The number of LEDs is in between 3 and 150. Each LED (15) has a respective doughnut like shaped lens to render the LED during operation to emit a rotational symmetric batwing beam with a maximum intensity Imax of the batwing beam at an angle 13 with 60°<=13<=80° with said optical axis, and a FWHM in the range of 15-30°.

Abstract: A system (1) for configuring a bridge (13) in a wireless lighting system (31), which has been commissioned, is configured to determine that a bridge has been added to the wireless lighting system. The wireless lighting system comprises a plurality of lighting devices (14-19). The system is further configured to obtain information relating to the plurality of lighting devices, analyze the information, and determine one or more groups of lighting devices based on the analysis. At least one of the one or more groups comprises multiple of the plurality of lighting devices. The system is further configured to configure the bridge with the determined one or more groups upon determining that the bridge has been added to the wireless lighting system.

Abstract: A warning device (100, 212, 301, 302, 510) for use in a luminaire (201, 410, 501), comprising a housing (110, 210, 310) accommodating a drive module (115, 215, 401, 402, 520) arranged to be coupled to a luminaire and to a mains voltage (260, 560). The drive module comprises a light source (120, 420) coupled to a switch (180, 380, 491, 492) and an electrical interface (140, 240) configured to electrically connect the drive module and the mains voltage to a light element (530) of the luminaire. The housing comprises a lid (130, 230, 330) operably coupled to the switch of the drive module and configured to activate the switch upon an opening of the lid for switching on the light source upon a current of the mains voltage passing in the electrical interface and deactivate the switch module upon a closing of the lid for switching off the light source.

Abstract: The invention relates to a luminaire comprising a stack of parallel light transmissive transparent plates comprising a light guide plate and an optical plate. The light guide plate comprises a first and a second major light guide surface and a circumferential edge-wall and is edge-lit by LEDs. At least one of the major light guide surfaces is provided with a light outcoupling structure comprising outcoupling elements arranged at a first pitch P1. The optical plate comprises a first and a second major optical surface, the first major optical surface facing towards the second major light guide surface and only one of the first and second major optical surfaces being provided with an optical structure comprising optical elements arranged at a second pitch P2. The second major light guide surface and the first major optical surface are spaced apart in a direction perpendicular to the major light guide surface by a spacing S, with S being in the range of 0-12 mm.

Abstract: A tunable laser based light source for Li-Fi communication comprising a laser (1), a first optical element (3), and a second optical element (4). The first optical element (3) is configured to reflect and/or refract a scanning beam (2) emitted from the laser (1). The second optical element (4) is configured to broaden the scanning beam (2) reflected/refracted by the first optical element (3). The scanning beam (2) is configured to scan a scanning area extending with a first scanning length in a broadening direction (SI) and a second scanning length in a scanning direction (S2). The second optical element (4) is configured to broaden the scanning beam (2) in the broadening direction (S1) to a width larger than the first scanning length, and the laser (1) and the first optical element (3) are configured to cooperate to enable the scanning beam (2) to be swept along the scanning direction (S2).

Abstract: A LED circuit comprises a current drive circuit for driving a current through the parallel combination of a LED arrangement and an output capacitor. An override arrangement overrides the current level setting to a default current level during start-up, and the override arrangement is disabled when a current flow is sensed by a sensor. The current setting of the driver is ignored until a threshold current is sensed through the LED arrangement. The delay associated with initial start-up charging of the output capacitor is thereby avoided.

Abstract: A controller (1) configured to control properties of light emitted from a light emitting device (4), the controller comprises a control device (2) and a processing unit (3). The control device (2) enables a user to select a color point of the light emitted from the light emitting device (4) in a color space of the light emitting device. The selection of the color point is done by the user providing a single input to the control device (2). The processing unit (3) being configured to change the color point of light emitted from the light emitting device based on the single input. The change of the color point is done along a meandering curve extending along the black body locus (BBL) in accordance with the received single input.

Abstract: A lighting device (1) is provided. The lighting device (1) comprises a housing (10) and a flexible elongated carrier (20) having a first side (20a) and a second side (20b). The elongated carrier (20) comprises a plurality of first sections (21), each first section (21) comprising a plurality of solid state lighting elements (25) arranged on the first side (20a) of the elongated carrier (20). Each first section (21) is arranged at a distance (d1) from a surface (15) of the housing. The elongated carrier (20) further comprises a plurality of second sections (22). Each second section (22) is at least in part attached to the surface of the housing (15). The first sections (21) and the second sections (22) are alternatingly arranged in a succession along a longitudinal extension of the elongated carrier (20).

Abstract: The present disclosure provides a mobile device comprising: a motion sensor configured to determine a motion of the mobile device; a radiofrequency transceiver configured to receive an advertisement of at least one node; a controller configured to receive the motion of the mobile device; a user interface. The controller is configured to (i) obtain and parse the advertisement of the at least one node, when the mobile device is in a first motion, and (ii) display a list comprising the parsed advertisement of the at least one node on the user interface, when the mobile device is in a second motion. The first motion is the mobile device moving along a path and the second motion is the mobile device not moving away from a location on the path.

Abstract: A method of restricting control of one or more lighting units (110) in a lighting system (100) is disclosed. The lighting system (100) comprises the one or more lighting units (110), a first control device (130) for controlling the one or more lighting units (110) and a portable control device (120) for controlling the one or more lighting units (110). The method comprises: determining a position of the portable control device (120) relative to a surface (140), setting the one or more lighting units (110) to a first control mode or a second control mode in dependence on the position of the portable control device (120) relative to the surface (140).

Abstract: According to one aspect disclosed herein, there is provided a first lighting device for use in a lighting system, the lighting system comprising one or more lighting devices for illuminating an environment, the first lighting device is configured to perform, upon becoming active from a dormant state, the operations of: polling one or more neighboring lighting devices to determine whether they are part of a lighting scene being output by the lighting system and if so determining information about the lighting scene based on the polling; determining whether the first lighting device is part of the lighting scene; and based on the determined scene and the determination that the first lighting device is part of that lighting scene, ascertaining one or more lighting settings of the first lighting device and a light output to be rendered by the lighting device in order to join the scene.

Abstract: An LED luminaire, which comprises an LED array of LED elements and an optical element. The optical element comprises one or more partially reflective or partially transmissive elements, which are positioned to lie perpendicular to a plane of the LED array. In this way, the partially reflective elements create virtual sources or virtual LED elements, by reflecting part of the light emitted by an LED element, whilst allowing the original or “real” LED element to still be visible by partially transmitting the light.

Abstract: A lighting device (100), comprising a plurality of light sources (110), a cover (120) comprising an at least partially light-transmissive material, wherein the cover at least partially encloses the plurality of light sources, and a plurality of reflectors (130) arranged within the cover and at respective peripheral portions of the cover, wherein a first set of light sources (140) is arranged within the plurality of reflectors such that the light sources within each reflector is configured to emit a respective bundle of light from the lighting device, and wherein a second set of light sources (150) is arranged outside the plurality of reflectors and configured to emit light from the lighting device, wherein the lighting device further comprises a control unit (160) configured to individually control the operation of the first and second sets of light sources.

Abstract: The invention provides alighting system (1000) configured to generate lighting system light (1001), wherein the lighting system light (1001) comprises one or more of (i) a first lighting system light component (1101) having a first component optical power Wopt,comp1, and (ii) a second lighting system light component (1201) having a second component optical power Wopt,comp2; wherein the lighting system (1000) comprises: —a first light source (110) comprising a first pump light source (10) configured to generate first pump light source light (11) and a luminescent material (200) configured to convert at least part of the first pump light source light (11) into luminescent material light (201), wherein the first light source (110) optionally in combination with first optics (115) is configured to provide the first lighting system light component (1101), wherein the first lighting system light component (1101) comprises at least part of the luminescent material light (201), wherein the first lighting system light

Abstract: The invention provides a light generating device (1000) comprising (i) n laser light sources (10), (ii) focusing optics (20), and (iii) a luminescent body (200), wherein: (A) the n laser light sources (10) are configured to generate laser light source light (11); wherein the focusing optics (20) are configured to focus the laser light source light (11) into a focused beam (21) of laser light source light (11); wherein n?2; (B) the luminescent body (200) comprises a luminescent material (210), wherein the luminescent body (200) is configured in a light receiving relationship with the n laser light sources (10), wherein the luminescent material (210) is configured to convert at least part of the laser light source light (11) into luminescent material light (211); (C) the n laser light sources (10) and focusing optics (20) are configured to provide in an operational mode light spots (300) of laser light source light (11) on the luminescent body (200); wherein k sets of light spots (300) each have an individually

Abstract: A virtual window device (100), comprising (i) a display (110) arranged in a first plane (A), wherein the display (110) is arranged to provide a first output (120) for rendering a first image of a view through a window (130) onto a virtual planar surface (140) that is oriented parallel to the display (110) along an axis (C), perpendicular to the first plane (A), (ii) a frame (150) projecting from the display (110), and wherein an edge (160) of the frame (150), oppositely arranged the display (110), spans a second plane (B), (iii) a lighting element (170) configured to emit a second output (180) onto the virtual planar surface (140), wherein the lighting element (170) is arranged within the virtual window device (100) at a distance (D) from the second plane (B), along the axis (C), wherein the second output (180) has a directionality, the directionality being one or more of a spatial direction, a beam angle, a beam width, a light output distribution and a diffusivity, and (iv) a unit (190) configured to registe

Abstract: A method comprises receiving (222,224,226,232,234,236) information identifying power on/off-related behavior (e.g. shutdown moment and/or elapsed time) from each of the plurality of lighting devices and partitioning the plurality of lighting devices in groups of lighting devices, e.g. Group1: L1+L2 and Group2: L3, based on the received information. Each of the groups comprises only lighting devices with similar power on/off-related behavior. The method further comprises controlling (242) the lighting device in response to a user command, determining that a problem has occurred when controlling the lighting device, and identifying the group that comprises the lighting device. The method also comprises determining a power on/off state of at least one other lighting device in the identified group, determining diagnostic information based the determined power on/off states, and providing (243) the diagnostic information to the user. The diagnostic information indicates a likely cause for the problem.